Heretic, Rebel, a Thing to Flout: George Halas's Decatur Team Played Professional Football's First League Game
The Story of “Papa Bear” George Halas - University of Illinois Athletics
Chicago Bears History by the Decade: The Roaring 20s - Windy City Gridiron
George Halas — Father of the NFL - Big Blue View
3 things you probably didn't know about the Bears - Dawgs By Nature
Once-in-a-Lifetime Chicago Bears/Decatur Staleys Photograph Surfaces
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: Chicago Bears Uniform and Team History
Throwback Thursday: George Halas and the Bears officially form the NFL
Born Feb. 2: George Halas
George S. Halas Biography
These are Chicago Bears signed Swell Cards with the player's coach, George Halas on the front, as this is all I had years ago when I obtained them.
Bob Macleod 1939 Chicago Bears 2X Signed Swell George Halas Card
Heritage Uniforms and Jerseys and Stadiums - NFL, MLB, NHL, NBA, NCAA, US Colleges: Chicago Bears Uniform and Team History
Chicago Bears: Take a look back at a century of uniforms